North East and North Cumbria
ICS Formulary
 
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6 Endocrine system
06-02-01 Thyroid hormones

Levothyroxine
First Choice
  • 25microgram, 50microgram, 75microgram & 100 microgram tablets
  • 25microgram in 5ml, 50microgram in 5ml & 100microgram in 5ml sugar-free oral solution
Link  MHRA Drug Safety Update (May 2021): Levothyroxine: new prescribing advice for patients who experience symptoms on switching between different levothyroxine products

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Liothyronine
Formulary
  • The most cost effective strength/formulation should be used

 

  • Note: Liothyronine tablets should only be prescribed as per the following guidance:
  • In line with British Thyroid Association (BTA) guidance, where levothyoroxine has failed, liothyronine may be recommended for individual patients after a carefully audited trial of at least 3 months duration of liothyronine.
  • Existing patients should be reveiwed, as appropriate, by an endocrinologist to ensure the continuing need for liothyronine. Patients shouldn't have treatment stopped without review by an endocrinologist. 

 

 
Link  NHSE Liothyronine – advice for prescribers
Link  Items which should not routinely be prescribed in primary care

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Liothyronine Injection
Formulary
  • 20microgram injection

 

 
Link  Items which should not routinely be prescribed in primary care

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